220255223 has 4 divisors (see below), whose sum is σ = 220766688. Its totient is φ = 219743760.

The previous prime is 220255219. The next prime is 220255237. The reversal of 220255223 is 322552022.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 220255223 - 2² = 220255219 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (220255253) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 255086 + ... + 255947.

It is an arithmetic number, because the mean of its divisors is an integer number (55191672).

Almost surely, 2^220255223 is an apocalyptic number.

220255223 is a deficient number, since it is larger than the sum of its proper divisors (511465).

220255223 is an equidigital number, since it uses as much as digits as its factorization.

220255223 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 511464.

The product of its (nonzero) digits is 2400, while the sum is 23.

The square root of 220255223 is about 14840.9980459536. The cubic root of 220255223 is about 603.9144278505.

The spelling of 220255223 in words is "two hundred twenty million, two hundred fifty-five thousand, two hundred twenty-three".